Purchased on-site at Yangguan Scenic Area in Dunhuang, Gansu. This is an official vintage postcard set complete with the original outer sleeve, a collectible cultural item themed around the Silk Road with limited circulation on the market. Set contents: original themed sleeve + 4 separate scenic postcards Scenery on postcards: Wowa Pond, Nanhu Beacon Tower, Chinese Tamarisk, Longle City. Each postcard is stamped with a corresponding red seal carving souvenir stamp on the reverse side. The front features real shots of Yangguan desert lakes, ancient beacon ruins, gobi tamarisk plants and Han Dynasty ancient city relics, with historical notes printed alongside the images. The inner side of the sleeve has a tourist map of Dunhuang Yangguan Cultural Relic Scenic Area. The back cover lists the planner, designer, photographer and official ISBN number. It is an early cultural souvenir released when Yangguan Scenic Area opened in 2003, with nostalgic collection value. Highlights: 1. Complete set with sleeve and all 4 postcards, all exclusive Yangguan seal stamps are fully stamped with no missing ones. 2. Combines real landscape photography and Silk Road historical introduction, great for travel commemoration and cultural collection. 3. Authentic early vintage printing, different from mass-produced ordinary tourist postcards released later, rich in historical details. Condition: Natural minor signs of aging from long-term storage, no heavy creases, tears or stains; stamps are clear and intact. What you see in the photos is exactly what you get. Sold only as a full set, not separately. Shipped with rigid cardboard reinforcement to prevent bending during delivery. Suitable for postcard collection, Dunhuang & Silk Road themed collection, Gansu travel souvenirs, journal materials and vintage wall decor.